Answer: G - zebra fish have nucleotide sequences similar to those of human
Explanation:
Answer:
The depth (distance from top to bottom) of the atmosphere is greatest at sea level and decreases at higher altitudes. With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude.
Explanation:
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Answer:a:population must have genetic variation c:Natural selection occurs when the environment changes e:Organisms best suited for the environment survive and reproduce
Explanation:
